A bear may go extinct.Logical formLearned from5 sentences. Fossils may keep persons from going extinct.Logical formLearned from5 sentences. Interiors can be extinct.Logical formLearned from5 sentences. White abalone can be extinct.Logical formLearned from5 sentences. Relatives can be extinct.Logical formLearned from5 sentences. Grizzlies can be extinct.Logical formLearned from5 sentences. A category may be considered extinct.Logical formLearned from5 sentences. Some species of bird may go extinct.Logical formLearned from5 sentences. An animal may think extinct.Logical formLearned from5 sentences. Some birds may go extinct.Logical formLearned from5 sentences. Hundreds of species can be extinct.Logical formLearned from5 sentences. A giant can be extinct.Logical formLearned from5 sentences. A phrase can be extinct.Logical formLearned from5 sentences. Populations can be extinct.Logical formLearned from5 sentences. Parent-species can be extinct.Logical formLearned from5 sentences.